Home / 45,485.99-68,252.21-18,852.11

Finding the Fourth Proportional to 45,485.99, 68,252.21 and 18,852.11

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Solution

The fourth proportional to 45,485.99, 68,252.21 and 18,852.11 is: 28,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,485.99 : 68,252.21 = 18,852.11 : x
  2. Step 2: Convert to fraction form
    45,485.99/68,252.21 = 18,852.11/x
  3. Step 3: Cross multiply
    45,485.99x = 68,252.21 × 18,852.11
  4. Step 4: Simplify right side
    45,485.99x = 1,286,698,076.40
  5. Step 5: Solve for x
    x = 1,286,698,076.40/45,485.99
  6. Step 6: Final answer
    x = 28,287.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.